I ordered it on ebay and had it together in about an hour.

Pros
Huge mothership
cool turret defense
splits into four different ships
looks really cool in genral

Cons: so if its the mothership, wheres the commander?

Other then one tiny con this set is really awesome!

Decent Set, AWFUL PRICE, $69.99 CAD at the time!

Box/Instructions

Depicts a cool battle.

Parts

GREAT, you can build like 3-6 alien ships out of this

Minifigures

Aliens Suck, Astros Rock

The build

Pretty Fun to Build

The completed model

Bit too small for my loving

Overall opinion

Its the worst Mars Mission set of 2007, well, behind the Astro fighter, just because it should be an Alien Rammer instead of a Mothership, and the HIDEOUS price.

7.6/10

This set is pretty good, but it has some problems and gets boring quickly. I cannot decide who would win here because the mothership is powerful and the launcher looks like it can destroy it in one hit.

The air-powered rocket launcher is one of the parts I got this for. It can sort of far when you slam it, but if you stomp it, it goes very far. The launcher can aim only up and down, which was disappointing because, I could probably think up a way to make it turn. The "power plant" is HUGE! If you get this in the box, you will notice how thick it is. That is because the pump(I just call it that) is fit in there longways.

The mothership is cool, but like the launcher, it has some problems. First of all, the main part I like the most because, the design is very complicated and fun to build . I think the tail fins are a cool idea. The turrets are not that move-able due to two studs on each side blocking them. The small "hang gliders" are boring by themselves, but with an astro fighter, their fun. The front cockpit that can separate is okay, but the "wings" droop.

pros:
Rocket launcher fires fairly far.
HUGE pump.
Gunner's face.
Mothership detaches three vehicles.
Many "tentacles"
Cool design.
Blunt launcher

cons:
Rocket launcher does not turn.
Gets boring quickly.
"Wings" on cockpit droop.
"Hang gliders" are useless.

I was just thinking of bringing up the rating to five, but getting boring quickly is a big problem for me. It is okay, but I recommend the Recon dropship more.

just a note to dragon_teenager, slam the air pump REALLY hard. if it doesn't shoot further than a foot, either:
you have a defective toy or
(more likely) you are not hitting hard enough.

Anyway, the mothership looks really cool, until you see the centre of it. It looks empty and useless. Theturrets have a useless design.
The alien 'vipers' hardly stick to the alien with blu-tack, sticky tape etc

Pros:
looks cool
lots of alien ships
good contest
turret
drill on turret
rockets

Cons:
Mothership has rather bad frame.
vipers are designed really badly
hard to stand
'dragon cruiser's' wings are floppy
hurts your hand to fire really far.

all in all, good, but don't start with it.

First of all I'm going to say that it's really big. The alien mothership might even be bigger than the Eagle 01 Command Base. So make room for it if you get this lego set.

Pros

Welll priced.
5 cool glow in the dark alien and two human minifigures.
Alien ship splits up into 4 cooler and smaller space ships.
Alien ship can shoot out a little missile.
The ship has green tentacle thingys on it that add great detail.
Easy to hold because of a nice grip piece on the bottom of it.
Many laser and guns on the ship.
The turret shoots out little hard foam bullets. (Alsmost like Nerf bullets.)
It shoots pretty well for being pumped by just air.

Cons

A little too big.
Mothership doesn't look as cool as I thought it would.
Don't know why they put a little mining station on the side of the human turret.
It's not all that fun to play with for some weird reason.
Stickers (Of Course!)

Overall it's pretty good but could use just a little work on it. But I say it would be worth getting in the end.